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Triss [41]
3 years ago
8

What is the effect of increased blood flow to the dermis?

Biology
1 answer:
In-s [12.5K]3 years ago
4 0

Answer: Vasodilation

Explanation:  This Process is the diation of Blood vessels

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If the wild-type codon is ggu, how many single-base substitutions will result in an amino acid substitution? include any changes
SashulF [63]

Answer:

Approximately six

Explanation:

The codon GGU

Single base substitution that will change this codon that codes for glycine to another amino acid includes: a single base substitution in the GGU codon such as GGU- AGU can occur. thus, approximately six single base substitution can take place to change this codon to code for another amino acid. A single base substitution cannot change the codon to a stop codon unless it happens twice or there is more than a single base substitution.

4 0
3 years ago
The cells in the meristematic region of the root are undergoing
tangare [24]

The answer is d. mitosis.

The cells in the meristematic region of the root are embryonic cells. Thus, these undifferentiated cells have the capacity to undergo continuous mitotic divisions and divide into new cells. The meristematic region of the root contains meristem cells for the root growth.

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7 0
3 years ago
The Caribbean monk seal was declared extinct in 2008. Although there are other types of seals on Earth, Caribbean monk seals cou
Hatshy [7]
<span>Every day, somewhere in our planet, a unique species of organism becomes extinct as the las member of that species dies. Some examples of this are the Caribbean Monk Seal, Tasmanian Tiger, Quagga, Passenger Pigeon, and the Baiji River Dolphin.

The answer is: <span>Its species.
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7 0
3 years ago
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The tissue through which gases are exchanged between the blood and the air in the lungs is
tatiyna
Simple squamous epithelium
6 0
3 years ago
Meiosis reduces chromosome number and rearranges genetic information. Explain how the reduction and rearrangement are accomplish
Alisiya [41]

Answer:

Explanation:

Meiosis is a form of cell division that occurs in the sex cells of organisms. It ensures the reduction of a diploid cell to an haploid cell to allow for the formation of a diploid zygote after fertilization (contribution of both parents haploid sex cells to give a diploid zygote). Thus, this process is very essential and important.

The reduction is accomplished by 2 divisions after the duplication of chromosomes

- first division: separation of homologous pairs of chromosomes (this reduces the total in half)

- second division: separation of sister chromatids of a chromosome.

The rearrangement in meiosis occurs by crossing over/genetic recombination.

This is the exchange of genetic material between homologous pairs of chromosome bringing about a rearrangement and genetic variation

An example of a chromosomal abnormality that arises as a result of defects in this process is the Down Syndrome which is caused by a nondisjunction of the chromosomes 21 pair in a sex cell.

This condition produces offsprings that have some characteristic facial features, short stature etc

6 0
3 years ago
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